<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>
  {{info}}
  <input type="text" :value="info">
  <hr>
  <!--v-model="变量",双向绑定:让控件的值和变量进行双向绑定(互相影响)-->
  <input type="text" v-model="info">
</div>
<script src="js/Vue.js"></script>
<script>
  let app=Vue.createApp({
    data(){
      return{
        info:"双向绑定"
      }
    }
  })
  app.mount("body>div")
</script>
</body>
</html>